Quote:
Originally Posted by banditpowdercoat
A AFI would offer more protection, but I think one needs both?. A GFI will only trip if it senses current going to ground, not back on the neutral. One can have a short on a GFI, between the hot and the Neutral and it not trip. Conversly, a AFI only trips when it senses an arc. Be it to ground or neutral. Most cases a AFI would work. Not on halide lights, I'm not sure. But say a pump leaks some to the tank, a AFI won't pick that up, a GFI will. AFI's can also trip by just switching or unpluging components. Heaters can sometimes trip them as well.
Like everything in this hobby, nothing is foolproof
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Yup, they wont fire halides. And yes, they do sometimes, {not often}, trip when pulling a plug. My home has AFI/GFI as standard breakers for both bedrooms and bathrooms. I believe its code here but not sure.
My office/fishroom, has that receptacle plus I installed a separate dedicated 15a line with its own GFI.